Apple 661-2677 Gigabit Ethernet PCI card for Xserve servers. PCI form factor provides 10/100/1000 Mbps Gigabit connectivity for legacy Xserve G4 and G5 systems. Supports standard RJ45 Ethernet connections and integrates with Apple's server management and clustering environments. Typical applications include network failover redundancy, load balancing across multiple Xserve units, and high-availability server configurations. Compatible with Mac OS X Server editions supporting Xserve hardware. Includes assembly hardware. Tested and guaranteed; available via quote.